Multiple factors undermine cooker effectiveness including resources, cost, and breaks
Patrice M. Rodgers 1994 (Solar Box Cookers in Zimbabwe: The Introduction of a Radical Innovation in Cooking, http://solarcooking.org/zimb-the.htm)

Cultural beliefs, patriarchy and cooking styles discourage solar box cooker use
Interpress service 7-31 (July 31, 2007 Wednesday Kenya; Switch On the Sun to Get Cooking, lexis)

Africans will never adopt solar box cookers- lack of environmental concern and distrust of foreigners.
William Noble Grundy 1995 (“Solar Cookers and Social Classes in Southern Africa” Techné: Journal of Technology Studie Gray Norton, ed Vol. V, Winter 1995. pp. 3-7., http://noble.gs.washington.edu/~noble/safrica1.htm)

Culture and beliefs cause Africans to reject Solar box cookers.
BioPact 5-2, 2007 (Gender and energy: why biofuels can benefit rural women http://biopact.com/2007/05/gender-and-energy-why-biofuels-can.html)

Box cookers don’t reach high enough temperatures to be effective
Ferdinand Kroon No Date Given (Solar cookers in developing countries http://www.its.caltech.edu/~e105/readings/solarcookers.pdf)

Box cooker programs empirically fail- they cannot cook for large families and are too expensive
Ferdinand Kroon No Date Given (Solar cookers in developing countries http://www.its.caltech.edu/~e105/readings/solarcookers.pdf)


The pots necessary to the ovens don’t fit within the oven
Merridy Wilson and J Maryann Green (The feasibility of introducing solar ovens to rural
women in Maphephethe, ISSN 0378-5254 Tydskrif vir Gesinsekologie en Verbruikerswetenskappe, Vol 28, 2000 http://www.up.ac.za/academic/acadorgs/saafecs/vol28/wilson.pdf)


Solar Box cookers are not practical- they don’t function during the winter and require sun glasses in order to prevent blindness
The Herald 2004 (Africa News, November 19, 2004, Zimbabwe; Solar: Best Solution to Energy Crisis, lexis)

Solar box cookers don’t spread
Dr. Roy R. Grundy and William N. Grundy No Date Given (http://solarcooking.org/lesotho1.htm)

Neighbors don’t promote Solar Box cookers- they don’t spread from select areas.
Patrice M. Rodgers 1994 (Solar Box Cookers in Zimbabwe: The Introduction of a Radical Innovation in Cooking, http://solarcooking.org/zimb-the.htm)

Neighbors live to far away for the box cookers to diffuse throughout Africa.
Patrice M. Rodgers 1994 (Solar Box Cookers in Zimbabwe: The Introduction of a Radical Innovation in Cooking, http://solarcooking.org/zimb-the.htm)

Box Cookers are rejected because they fail to accommodate African tradition
Patrice M. Rodgers 1994 (Solar Box Cookers in Zimbabwe: The Introduction of a Radical Innovation in Cooking, http://solarcooking.org/zimb-the.htm)